The monster that was Special Summoned by this effect cannot attack, nor activate or apply its effect this turn
"Flame" can temporarily negate a face-up Spell's effects, "Horn" can return any Attack Position monster to the hand/Extra Deck, and "Sting" can banish a monster (and also a Spell/Trap, optionally) from the opponent's GY
The other option is defaulting it to being exiled, which is a nice recursion to get more value, but kind of expensive
Beloved Pokmon: Bulbasaur is one of the most lovable and iconic Pokmon of all time, adding an extra appeal to this rare card
Affinity reduces all alternate or additional costs, including commander tax
All of this is to pay tribute to how the song sequence was animated in the film, displaying Maui's story in much the same way